Generic Codes
Generic OBD2 codes are standardized codes that apply to all cars that are OBD2 compliant, regardless of the make or model.
Our collection of articles on this page provides a wealth of information about these codes, going beyond just an explanation of what they mean. We analyze each code in detail, providing technical explanations, common causes, symptoms to look out for, and recommended solutions for each issue.
So why wait? Start exploring now!
In a hurry? Quickly jump to the code you're facing:
U023D: Lost Communication With Cruise Control Front Distance Range Sensor Left
Is the U023D code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U023E: Lost Communication With Cruise Control Front Distance Range Sensor Right
Is the U023E code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U023F: ISO/SAE Reserved
The U023F code is a generic ISO/SAE Reserved code that may appear in your vehicle's diagnostic system. Read on to learn more about it and what you should do to deal with it.
U0240: Lost Communication With Entrapment Control Module B
Is the U0240 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0241: Lost Communication With Headlamp Control Module A
Is the U0241 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0242: Lost Communication With Headlamp Control Module B
Is the U0242 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0243: Lost Communication With Park Assist Control Module B
Is the U0243 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0244: Lost Communication With Running Board Control Module A
Is the U0244 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0245: Lost Communication With Entertainment Control Module Front
Is the U0245 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.
U0246: Lost Communication With Seat Control Module E
Is the U0246 code causing communication issues in your vehicle? Read on to learn how to deal with this communication network problem and get your vehicle back on the road.